Guianan Neacomys vs Smooth hound

Neacomys guianae compared with Triakis maculata

Key Differences

• Guianan Neacomys is Least Concern while Smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Guianan Neacomys	Smooth hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Carcharhiniformes (Ground Sharks)
Family	Cricetidae	Triakidae
Genus	Neacomys	Triakis
Species	Neacomys guianae	Triakis maculata

Evolutionary Relationship

Guianan Neacomys and Smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Guianan Neacomys

LC — Least Concern

Smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Guianan Neacomys	Smooth hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guianan Neacomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.